→ beautysmile:辛苦啦....推一把...^^ 推 61.64.143.251 11/11
→ md13:+1 推 218.161.18.226 11/11
→ BugLady:lim sin8x/sin4x=2吧 推 61.62.98.198 11/12
→ md13:謝謝樓上~~ 推 218.161.4.108 11/12
※ 編輯: Uelite 來自: 140.112.7.59 (11/12 14:08)
→ Uelite:謝囉~ (其實是題目打錯了) 推 140.112.7.59 11/12